HP Designjet Z6, Z9+ Starwheel Assembly 44" Plotters Q6687-60060 DesignjetZ3200 The replacement procedure for this

The replacement procedure for this part is found in section 6-147 of the service manual --available here

Sensor that determines whether the top window is open or closed

semi-gloss

The card is fully backward compatible with earlier Jetdirect cards

How difficult is it to replace the carriage belt

HP Designjet Z6, Z9+ Starwheel Assembly 44" Plotters Q6687-60060 DesignjetZ3200 The replacement procedure for thisStarwheel Assembly for HP Designjet Z6 and Z9+ models Condition: Refurbished, Live tested Warranty: 12 months This assembly fits 44" print width plotters. It assists in loading media and keeping it flat at the platen for proper printing. Paper not flat under the print heads causes poor print quality and ghosting of images.